2100038420

素因数分解:

$2^2\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{66499}}^1$

素因数の和:68087

約数の個数: 24

約数和(自身を含む): 4412940000

約数和(自身を除く): 2312901580

約数列:

[1, 2, 4, 5, 10, 20, 1579, 3158, 6316, 7895, 15790, 31580, 66499, 132998, 265996, 332495, 664990, 1329980, 105001921, 210003842, 420007684, 525009605, 1050019210, 2100038420]

約数ペア:

[(1, 2100038420), (2, 1050019210), (4, 525009605), (5, 420007684), (10, 210003842), (20, 105001921), (1579, 1329980), (3158, 664990), (6316, 332495), (7895, 265996), (15790, 132998), (31580, 66499)]